CN216588737U - Cylinder structure, engine and power device - Google Patents
Cylinder structure, engine and power device Download PDFInfo
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- CN216588737U CN216588737U CN202122308346.6U CN202122308346U CN216588737U CN 216588737 U CN216588737 U CN 216588737U CN 202122308346 U CN202122308346 U CN 202122308346U CN 216588737 U CN216588737 U CN 216588737U
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Abstract
The utility model provides a cylinder structure, an engine and a power device, and solves the problem that fuel oil needs to be combusted when a piston in a cylinder moves. The cylinder structure comprises a cylinder body and a piston, wherein an air inlet and an air outlet are formed in the cylinder body, the air inlet is communicated with a gas pressure tank, compressed gas is filled in the gas pressure tank, and a blocking state and a conducting state are formed between the air inlet and the air outlet and an inner cavity of the cylinder body; when the air inlet and the inner cavity of the cylinder body are in a conducting state and the air outlet and the inner cavity of the cylinder body are in a blocking state, compressed air can enter the cylinder body through the air inlet to expand and push the piston to move; when the air inlet and the inner cavity of the cylinder body are in a cut-off state and the air outlet and the inner cavity of the cylinder body are in a conduction state, the piston can move to an initial state. The device can realize the reciprocating linear motion of the piston through compressed gas, and fuel oil does not need to be ignited in the cylinder body, so that fuel oil resources are saved, and the pollution to the environment is reduced.
Description
Technical Field
The utility model relates to the technical field of power devices, in particular to a cylinder structure, an engine and a power device.
Background
A piston engine, also called a reciprocating engine, is an engine that converts pressure into rotational energy using one or more pistons. The piston engine is a kind of heat engine, and is powered by gasoline, diesel oil and other fuel. The piston engine mainly comprises a cylinder, a piston, a connecting rod, a crankshaft, a valve mechanism, a propeller reducer, a casing and the like.
The most common reciprocating engines utilize gasoline or diesel fuel to generate pressure. There is typically more than one piston, each in a cylinder, into which a fuel-air mixture is injected and ignited, and the hot gases expand, pushing the pistons backwards. This linear motion of the piston is converted into circular motion by the connecting rod and the crankshaft.
The applicant has found that the prior art has at least the following technical problems: the existing engine usually uses gasoline or diesel fuel to generate pressure to push a piston to move, and the diesel fuel burns to generate automobile tail gas and the like to pollute the environment, so that the oil consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cylinder structure, an engine and a power device, and aims to solve the technical problems that fuel oil needs to be combusted when a piston in a cylinder moves and the piston is pushed to move by utilizing expansion of hot gas in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.
In order to achieve the purpose, the utility model provides the following technical scheme:
the cylinder structure comprises a cylinder body and a piston, wherein an air inlet and an air outlet are formed in the cylinder body, the air inlet is communicated with a gas pressure tank, compressed gas is filled in the gas pressure tank, and a blocking state and a conducting state are formed between the air inlet and the air outlet and an inner cavity of the cylinder body; wherein:
when the air inlet and the inner cavity of the cylinder body are in the conducting state and the air outlet and the inner cavity of the cylinder body are in the intercepting state, compressed air can enter the cylinder body through the air inlet to expand and push the piston to move; when the air inlet and the inner cavity of the cylinder body are in the cut-off state and the air outlet and the inner cavity of the cylinder body are in the conduction state, the piston can move towards the direction of the initial position;
an air inlet valve for controlling the opening and closing of the air inlet is arranged on the pipeline where the air inlet is located, and an exhaust valve for controlling the opening and closing of the exhaust port is arranged on the pipeline where the exhaust port is located;
the cylinder structure further comprises:
a first position sensor provided at an initial position of the piston;
a second position sensor disposed at a maximum movement stroke position of the piston;
the control unit, the control unit with first position sensor the second position sensor the admission valve with the discharge valve all is connected electrically, is used for receiving first position sensor transmission opens during the piston position signal admission valve and closes the discharge valve, and is used for receiving the second position sensor transmission open during the piston position signal the discharge valve just closes the admission valve.
Preferably, the piston is rotatably connected with the crankshaft connecting rod mechanism, and the piston can drive the crankshaft connecting rod mechanism to move when reciprocating.
Preferably, the compressed air in the gas pressure tank is inert gas.
Preferably, the intake valve and the exhaust valve are both solenoid valves.
The utility model also provides an engine which comprises a crankshaft connecting rod mechanism and the cylinder structure, wherein a crankshaft in the crankshaft connecting rod mechanism is connected with the piston.
The utility model also provides a power device which comprises the cylinder structure.
Compared with the prior art, the cylinder structure, the engine and the power device provided by the utility model have the following beneficial effects: the position of an air inlet of the air cylinder is communicated with an air pressure tank, when the air inlet and the inner cavity of the air cylinder body are in a conducting state and the air outlet and the inner cavity of the air cylinder body are in a blocking state, compressed air can enter the air cylinder body through the air inlet to expand and push the piston to move, so that power output is realized; when the air inlet and the inner cavity of the cylinder body are in a cut-off state and the air outlet and the inner cavity of the cylinder body are in a conduction state, the piston can move to an initial state, the two processes can realize the reciprocating linear motion of the piston through compressed air, fuel oil does not need to be ignited in the cylinder body, fuel oil resources are saved, and the pollution to the environment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a first embodiment of a cylinder structure of the present invention;
in the figure 1, a cylinder body; 2. a piston; 3. an air inlet; 4. an exhaust port; 5. a gas pressure tank; 6. a gas line; 7. an exhaust valve; 8. an intake valve; 9. a crankshaft connecting rod mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The embodiment of the utility model provides a cylinder structure, an engine and a power device, which can realize reciprocating linear motion of a piston through compressed gas without igniting fuel in a cylinder body, save fuel resources and reduce pollution to the environment.
The technical solution provided by the present invention is explained in more detail below with reference to fig. 1.
As shown in fig. 1, the present embodiment provides a cylinder structure, which includes a cylinder body 1 and a piston 2, wherein the cylinder body 1 is provided with an air inlet 3 and an air outlet 4, the air inlet 3 is communicated with an air pressure tank 5, the air pressure tank 5 is filled with compressed air, and a blocking state and a conducting state are provided between the air inlet 3 and the air outlet 4 and an inner cavity of the cylinder body 1; wherein: when the air inlet 3 and the inner cavity of the cylinder body 1 are in a conducting state and the air outlet 4 and the inner cavity of the cylinder body 1 are in a blocking state, compressed air can enter the cylinder body 1 through the air inlet 3 to expand and push the piston 2 to move; when the air inlet 3 and the inner cavity of the cylinder body 1 are in a cut-off state and the air outlet 4 and the inner cavity of the cylinder body 1 are in a conduction state, the piston 2 can move towards the direction of the initial position.
In the cylinder structure of the embodiment, the gas pressure tank 5 is communicated with the position of the gas inlet 3 of the cylinder, and when the gas inlet 3 and the inner cavity of the cylinder body 1 are in a conducting state and the gas outlet 4 and the inner cavity of the cylinder body 1 are in a blocking state, compressed gas can enter the cylinder body 1 through the gas inlet 3 to expand and push the piston 2 to move, so that power output is realized; when being in the state of cuting between air inlet 3 and the cylinder body 1 inner chamber, and being in the on-state between gas vent 4 and the cylinder body 1 inner chamber, piston 2 can be to initial position direction motion, and above-mentioned two processes can realize piston 2's reciprocating linear motion through compressed gas, need not to light the fuel in cylinder body 1, practices thrift the fuel resource, reduces the pollution to the environment.
In order to facilitate the conduction and the cutoff between the air inlet 3 and the air outlet 4 and the inner cavity of the cylinder body 1, as an alternative embodiment, referring to fig. 1, an air inlet valve 8 for controlling the opening and the closing of the air inlet 3 is arranged on a pipeline where the air inlet 3 is located, and an air outlet valve 7 for controlling the opening and the closing of the air outlet 4 is arranged on a pipeline where the air outlet 4 is located.
In order to enable the piston 2 to return to the initial position, as an alternative embodiment, the exhaust port 4 of the cylinder body 1 is further communicated with a negative pressure device, and the negative pressure device is used for adsorbing air in the inner cavity of the cylinder body 1 so as to reduce the pressure in the inner cavity of the cylinder body 1, so that the piston 2 returns to the initial position under the action of the pressure difference. The negative pressure device may be a vacuum pump or the like.
As an alternative embodiment, referring to fig. 1, the piston 2 of the present embodiment is rotatably connected to the crankshaft connecting rod mechanism 9, the piston 2 can drive the crankshaft connecting rod mechanism 9 to move when reciprocating, and power is input to the connecting shaft through the crankshaft connecting rod mechanism 9 to rotate the wheel body and the like. The crankshaft connecting rod mechanism 9 is a mature technology in the prior art, and the structure thereof is not described in detail herein. Specifically, the piston 2 is connected to a crankshaft in a crankshaft connecting rod mechanism 9.
As an alternative embodiment, the compressed air in the gas pressure tank 5 is an inert gas, which is safer than an active gas.
Referring to fig. 1, the gas inlet 3 of the present embodiment is communicated with the gas pressure tank 5 through the gas pipeline 6, and the gas pressure tank 5 and the gas pipeline 6 are detachably disposed so as to facilitate replacement of the gas pressure tank 5, for example, the gas pressure tank 5 is screwed with the gas pipeline 6. Alternatively, the gas pressure tank 5 may be continuously filled with compressed air and replenished with the compressed air.
As an alternative embodiment, the intake valve 8 and the exhaust valve 7 of the present embodiment are both solenoid valves, which facilitate the opening and closing of the intake valve 8 and the exhaust valve 7 to be controlled by the controller.
In order to improve the degree of automation, as an optional implementation manner, the cylinder structure of this embodiment further includes: a first position sensor provided at an initial position of the piston 2;
a second position sensor provided at a maximum movement stroke position of the piston 2;
and the control unit is electrically connected with the first position sensor, the second position sensor, the air inlet valve 8 and the air outlet valve 7 and is used for opening the air inlet valve 8 and closing the air outlet valve 7 when receiving the position signal of the piston 2 transmitted by the first position sensor and opening the air outlet valve 7 and closing the air inlet valve 8 when receiving the position signal of the piston 2 transmitted by the second position sensor.
The first position sensor and the second position sensor are both existing mature technologies, and the structure thereof is not described herein in detail. The control unit comprises a controller which can be a 51-chip microcomputer and the like, and a set program is prestored in the controller.
When the first position sensor detects a position signal of the piston 2, the piston 2 is located at an initial position, the control unit controls the air inlet valve 8 to be opened and the air outlet valve 7 to be closed at the same time when receiving the position signal of the piston 2 transmitted by the first position sensor, compressed air in the air compression tank enters the inner cavity of the cylinder body 1 through the air pipeline 6 and the air inlet 3, and the air is rapidly expanded to do work. When the second position sensor detects a position signal of the piston 2, it indicates that the piston 2 is at the maximum stroke position, and when the control unit receives the position signal of the piston 2 transmitted by the second position sensor, the control unit controls the air inlet valve 8 to close and simultaneously the air outlet valve 7 to open, so that the air in the inner cavity of the cylinder body 1 is discharged, the pressure in the inner cavity of the cylinder body 1 is reduced, and the piston 2 moves reversely.
When the exhaust port 4 is further connected with a negative pressure device, the control unit is connected with the negative pressure device, and is used for opening the exhaust valve 7 and closing the intake valve 8 when receiving a position signal of the piston 2 transmitted by the second position sensor, and opening the negative pressure device, wherein the negative pressure device extracts at least part of gas in the inner cavity of the cylinder body 1 and enables the piston 2 to return to the initial position under the action of the gas pressure difference; when the first position sensor detects the position signal of the piston 2, the above operation is continuously repeated. The structure can realize the automatic control of the reciprocating motion of the piston.
Example two
The embodiment provides an engine, which comprises a crankshaft connecting rod mechanism 9 and the cylinder structure, wherein a crankshaft in the crankshaft connecting rod mechanism 9 is connected with a piston 2. The engine of this embodiment has above-mentioned cylinder structure, so can realize the reciprocating linear motion of piston 2 through compressed gas equally, need not to light on the fuel in cylinder body 1, practices thrift fuel resource, reduces the pollution to the environment.
EXAMPLE III
The embodiment provides a power device which comprises the cylinder structure. The power device of this embodiment has above-mentioned cylinder structure, so can realize the reciprocating linear motion of piston 2 through compressed gas equally, realize the output of power, need not to light on the fuel in cylinder body 1, practices thrift fuel resource, reduces the pollution to the environment.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A cylinder structure comprises a cylinder body (1) and a piston (2), and is characterized in that the cylinder body (1) is provided with an air inlet (3) and an air outlet (4), the air inlet (3) is communicated with a gas pressure tank (5), compressed gas is filled in the gas pressure tank (5), and a blocking state and a conducting state are arranged between the air inlet (3) and the air outlet (4) and an inner cavity of the cylinder body (1); wherein:
when the air inlet (3) and the inner cavity of the cylinder body (1) are in the conducting state and the exhaust port (4) and the inner cavity of the cylinder body (1) are in the intercepting state, compressed air can enter the cylinder body (1) through the air inlet (3) to expand and push the piston (2) to move; when the air inlet (3) and the inner cavity of the cylinder body (1) are in the cut-off state and the exhaust port (4) and the inner cavity of the cylinder body (1) are in the conduction state, the piston (2) can move towards the direction of the initial position;
an air inlet valve (8) used for controlling the opening and closing of the air inlet (3) is arranged on a pipeline where the air inlet (3) is located, and an exhaust valve (7) used for controlling the opening and closing of the exhaust port (4) is arranged on a pipeline where the exhaust port (4) is located;
the cylinder structure further comprises:
a first position sensor provided at an initial position of the piston (2);
a second position sensor provided at a maximum movement stroke position of the piston (2);
the control unit, the control unit with first position sensor, second position sensor, admission valve (8) with discharge valve (7) all electricity is connected, is used for receiving first position sensor transmission open when piston (2) position signal admission valve (8) and close discharge valve (7), and be used for receiving second position sensor transmission piston (2) position signal open when opening discharge valve (7) and close admission valve (8).
2. The cylinder arrangement according to claim 1, characterized in that the piston (2) is rotationally connected to a crankshaft connecting rod mechanism (9), and the piston (2) is capable of moving the crankshaft connecting rod mechanism (9) when reciprocating.
3. Cylinder arrangement according to claim 1, characterised in that the compressed air in the gas pressure tank (5) is an inert gas.
4. Cylinder arrangement according to claim 1, in which the inlet valve (8) and the outlet valve (7) are both solenoid valves.
5. An engine, characterized by comprising a crankshaft connecting rod mechanism (9) and a cylinder arrangement according to any one of claims 1-4, the crankshaft in the crankshaft connecting rod mechanism (9) being connected to the piston (2).
6. A power plant, characterized by comprising a cylinder arrangement according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308346.6U CN216588737U (en) | 2021-09-23 | 2021-09-23 | Cylinder structure, engine and power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122308346.6U CN216588737U (en) | 2021-09-23 | 2021-09-23 | Cylinder structure, engine and power device |
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| Publication Number | Publication Date |
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| CN216588737U true CN216588737U (en) | 2022-05-24 |
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| CN202122308346.6U Active CN216588737U (en) | 2021-09-23 | 2021-09-23 | Cylinder structure, engine and power device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030777A (en) * | 2022-07-04 | 2022-09-09 | 嘉兴腾狼智能科技有限公司 | Steam engine |
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2021
- 2021-09-23 CN CN202122308346.6U patent/CN216588737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030777A (en) * | 2022-07-04 | 2022-09-09 | 嘉兴腾狼智能科技有限公司 | Steam engine |
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